Bills, Gerald
Li, Yan
Chen, Li
Yue, Qun
Niu, Xue-Mei
An, Zhiqiang
COPYRIGHT AND LICENSING
: The Royal Society of Chemistry has an exclusive publication licence for this journal
OPEN ACCESS: The accepted version of this article will be made freely available after a 12 month embargo period
PUBLICATION HISTORY
: Received 11 April 2014; Advance Article published 26 August 2014; Version of Record published 10 September 2014